Answers

Add 10/84 and 81/63

1^st number: 10/84, 2^nd number: 1 18/63

10/84 + 81/63 is 59/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   10/84 = 10 × 3/84 × 3 = 30/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   81/63 = 81 × 4/63 × 4 = 324/252
4. Add the two like fractions:
   30/252 + 324/252 = 30 + 324/252 = 354/252
5. 354/252 simplified gives 59/42
6. So, 10/84 + 81/63 = 59/42
   In mixed form: 117/42

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